After 4 months on the job as hosts of The M-Wave, which was Arirang's TV one and only music chart program, MBLAQ's Thunder and f(x)'s Krystal have stepped down and left the program. It was revealed through Twitter that Alexander and Kevin from U-Kiss will be the new hosts of the program which will bring live performances to viewers in 188 countries outside of Korea. They will record their first show on August 3rd.